Top Definition
Commonly used in elephant guns these are very poweful rifle rounds commonly used for big game hunting such as elephants, cape buffaloes, rhinos and the like. They have extremey harsh recoil and muzzle blast. The name comes from the powder which is made of nitroglycerin and express indicates the extremely high velocity of the rounds. Currently 700 nitro express is the most powerful of them all.
I shot a nitro express twice today. one for fun and the other one to relocate my popped shoulder
by Nasor6221 August 05, 2015
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